config-loader: remove unused url helper

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/config-loader/src/lib/index.ts

@@ -17,4 +17,3 @@
 export { readEnvConfig } from './env';
 export * from './transform';
 export * from './schema';
-export { isValidUrl } from './urls';

packages/config-loader/src/lib/urls.test.ts

@@ -1,34 +0,0 @@
-/*
- * Copyright 2021 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { isValidUrl } from './urls';
-
-describe('isValidUrl', () => {
-  it('should return true for url', () => {
-    const validUrl = isValidUrl('http://some.valid.url');
-    expect(validUrl).toBe(true);
-  });
-
-  it('should return false for absolute path', () => {
-    const validUrl = isValidUrl('/some/absolute/path');
-    expect(validUrl).toBe(false);
-  });
-
-  it('should return false for relative path', () => {
-    const validUrl = isValidUrl('../some/relative/path');
-    expect(validUrl).toBe(false);
-  });
-});

packages/config-loader/src/lib/urls.ts

@@ -1,25 +0,0 @@
-/*
- * Copyright 2021 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-export function isValidUrl(url: string): boolean {
-  try {
-    // eslint-disable-next-line no-new
-    new URL(url);
-    return true;
-  } catch {
-    return false;
-  }
-}